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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.29 No.5
- 발행연도
- 2018.1
- 수록면
- 635 - 645 (11page)
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초록· 키워드
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Beam-column joints play a significant role in static and dynamic performances of reinforced concrete frame structures. This study contributes a numerical approach of topologically optimal design of carbon fiber reinforced plastics (CFRP) to retrofit existing beam-column connections with crack patterns. In recent, CFRP is used commonly in the rehabilitation and strengthening of concrete members due to the remarkable properties, such as lightweight, anti-corrosion and simplicity to execute construction. With the target to provide an optimal CFRP configuration to effectively retrofit the beam-column connection under semi-failure situation such as given cracks, extended finite element method (X-FEM) is used by combining with multi-material topology optimization (MTO) as a mechanical description approach for strong discontinuity state to mechanically model cracked structures. The well founded mathematical formulation of topology optimization problem for cracked structures by using multiple materials is described in detail in this study. In addition, moved and regularized Heaviside functions (MRHF), that have the role of a filter in multiple materials case, is also considered. The numerical example results illustrated in two cases of beam-column joints with stationary cracks verify the validity, benefit and supremacy of the proposed method.
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참고문헌 (52)
참고문헌 신청
Abdel-Hafez, L. M. / 2015 / Behavior of RC columns retrofitted with CFRPexposed to fire under axial load / Hous. Build. Nat. Res. Center 11:68~81
2004 / ACI Committee 546-ACI 546R-04, Concrete Repair Guide / American Concrete Institute (ACI)
Alam, A. M. / 2014 / Effective Method of Repairing RC Beam Using Externally Bonded Steel Plate / Appl. Mech. Mater 567:399~404
Alonso, C. / 2014 / Topology synthesis of multi-material compliant mechanisms with a sequential element rejection and admission method / Finite Elem. Anal. Des 85:11~19
Amin, N. M. / 2016 / Retrofitting performance of reinforced concrete one way slab / Jurnal Teknologi 78:41~45
2004 / ACI Committee 546-ACI 546R-04, Concrete Repair Guide / American Concrete Institute (ACI)
Alam, A. M. / 2014 / Effective Method of Repairing RC Beam Using Externally Bonded Steel Plate / Appl. Mech. Mater 567:399~404
Alonso, C. / 2014 / Topology synthesis of multi-material compliant mechanisms with a sequential element rejection and admission method / Finite Elem. Anal. Des 85:11~19
Amin, N. M. / 2016 / Retrofitting performance of reinforced concrete one way slab / Jurnal Teknologi 78:41~45
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